[MacPorts] #61064: graphviz command execution failed

[MacPorts]

#61064: graphviz command execution failed
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  Reporter:  keke-cute  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.99
Resolution:             |   Keywords:  macos11,xcode12
      Port:  graphviz   |
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Comment (by mf2k):

 In the future, please add the port maintainer(s) to Cc ({{{port info
 --maintainers graphviz}}}), if any.

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Ticket URL: <https://trac.macports.org/ticket/61064#comment:1>
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